зеркало из https://github.com/mozilla/gecko-dev.git
598 строки
16 KiB
C
598 строки
16 KiB
C
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/*
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* The contents of this file are subject to the Mozilla Public
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* License Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS
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* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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* implied. See the License for the specific language governing
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* rights and limitations under the License.
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*
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* The Original Code is the Netscape Portable Runtime (NSPR).
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*
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* The Initial Developer of the Original Code is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1999-2000 Netscape Communications Corporation. All
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* Rights Reserved.
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*
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* Contributor(s):
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*
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* Alternatively, the contents of this file may be used under the
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* terms of the GNU General Public License Version 2 or later (the
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* "GPL"), in which case the provisions of the GPL are applicable
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* instead of those above. If you wish to allow use of your
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* version of this file only under the terms of the GPL and not to
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* allow others to use your version of this file under the MPL,
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* indicate your decision by deleting the provisions above and
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* replace them with the notice and other provisions required by
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* the GPL. If you do not delete the provisions above, a recipient
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* may use your version of this file under either the MPL or the
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* GPL.
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*/
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/***********************************************************************
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**
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** Name: thrpool.c
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**
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** Description: Test threadpool functionality.
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**
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** Modification History:
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*/
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#include "primpl.h"
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#include "plgetopt.h"
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#include <stdio.h>
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#include <string.h>
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#include <errno.h>
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#ifdef XP_UNIX
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#include <sys/mman.h>
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#endif
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#if defined(_PR_PTHREADS) && !defined(_PR_DCETHREADS)
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#include <pthread.h>
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#endif
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#ifdef WIN32
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#include <process.h>
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#endif
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static int _debug_on = 0;
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static char *program_name = NULL;
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static void serve_client_write(void *arg);
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#ifdef XP_MAC
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#include "prlog.h"
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#include "prsem.h"
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int fprintf(FILE *stream, const char *fmt, ...)
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{
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PR_LogPrint(fmt);
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return 0;
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}
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#define printf PR_LogPrint
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extern void SetupMacPrintfLog(char *logFile);
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#else
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#include "obsolete/prsem.h"
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#endif
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#ifdef XP_PC
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#define mode_t int
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#endif
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#define DPRINTF(arg) if (_debug_on) printf arg
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#define BUF_DATA_SIZE (2 * 1024)
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#define TCP_MESG_SIZE 1024
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#define NUM_TCP_CLIENTS 10 /* for a listen queue depth of 5 */
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#define NUM_TCP_CONNECTIONS_PER_CLIENT 10
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#define NUM_TCP_MESGS_PER_CONNECTION 10
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#define TCP_SERVER_PORT 10000
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#define SERVER_MAX_BIND_COUNT 100
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static PRInt32 num_tcp_clients = NUM_TCP_CLIENTS;
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static PRInt32 num_tcp_connections_per_client = NUM_TCP_CONNECTIONS_PER_CLIENT;
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static PRInt32 tcp_mesg_size = TCP_MESG_SIZE;
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static PRInt32 num_tcp_mesgs_per_connection = NUM_TCP_MESGS_PER_CONNECTION;
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static void TCP_Server_Accept(void *arg);
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int failed_already=0;
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typedef struct buffer {
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char data[BUF_DATA_SIZE];
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} buffer;
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typedef struct Server_Param {
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PRJobIoDesc iod; /* socket to read from/write to */
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PRInt32 datalen; /* bytes of data transfered in each read/write */
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PRNetAddr netaddr;
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PRMonitor *exit_mon; /* monitor to signal on exit */
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PRInt32 *job_counterp; /* counter to decrement, before exit */
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PRInt32 conn_counter; /* counter to decrement, before exit */
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PRThreadPool *tp;
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} Server_Param;
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typedef struct Serve_Client_Param {
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PRJobIoDesc iod; /* socket to read from/write to */
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PRInt32 datalen; /* bytes of data transfered in each read/write */
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PRMonitor *exit_mon; /* monitor to signal on exit */
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PRInt32 *job_counterp; /* counter to decrement, before exit */
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PRThreadPool *tp;
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} Serve_Client_Param;
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typedef struct Session {
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PRJobIoDesc iod; /* socket to read from/write to */
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buffer *in_buf;
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PRInt32 bytes;
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PRInt32 msg_num;
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PRInt32 bytes_read;
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PRMonitor *exit_mon; /* monitor to signal on exit */
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PRInt32 *job_counterp; /* counter to decrement, before exit */
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PRThreadPool *tp;
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} Session;
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static void
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serve_client_read(void *arg)
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{
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Session *sp = (Session *) arg;
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int rem;
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int bytes;
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int offset;
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PRFileDesc *sockfd;
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char *buf;
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PRJob *jobp;
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PRIntervalTime timeout = PR_INTERVAL_NO_TIMEOUT;
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sockfd = sp->iod.socket;
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buf = sp->in_buf->data;
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PR_ASSERT(sp->msg_num < num_tcp_mesgs_per_connection);
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PR_ASSERT(sp->bytes_read < sp->bytes);
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offset = sp->bytes_read;
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rem = sp->bytes - offset;
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bytes = PR_Recv(sockfd, buf + offset, rem, 0, timeout);
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if (bytes < 0) {
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return;
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}
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sp->bytes_read += bytes;
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sp->iod.timeout = PR_SecondsToInterval(60);
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if (sp->bytes_read < sp->bytes) {
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jobp = PR_QueueJob_Read(sp->tp, &sp->iod, serve_client_read, sp,
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PR_FALSE);
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PR_ASSERT(NULL != jobp);
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return;
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}
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PR_ASSERT(sp->bytes_read == sp->bytes);
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DPRINTF(("serve_client: read complete, msg(%d) \n", sp->msg_num));
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sp->iod.timeout = PR_SecondsToInterval(60);
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jobp = PR_QueueJob_Write(sp->tp, &sp->iod, serve_client_write, sp,
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PR_FALSE);
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PR_ASSERT(NULL != jobp);
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return;
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}
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static void
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serve_client_write(void *arg)
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{
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Session *sp = (Session *) arg;
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int bytes;
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PRFileDesc *sockfd;
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char *buf;
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PRJob *jobp;
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sockfd = sp->iod.socket;
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buf = sp->in_buf->data;
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PR_ASSERT(sp->msg_num < num_tcp_mesgs_per_connection);
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bytes = PR_Send(sockfd, buf, sp->bytes, 0, PR_INTERVAL_NO_TIMEOUT);
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PR_ASSERT(bytes == sp->bytes);
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if (bytes < 0) {
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return;
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}
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DPRINTF(("serve_client: write complete, msg(%d) \n", sp->msg_num));
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sp->msg_num++;
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if (sp->msg_num < num_tcp_mesgs_per_connection) {
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sp->bytes_read = 0;
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sp->iod.timeout = PR_SecondsToInterval(60);
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jobp = PR_QueueJob_Read(sp->tp, &sp->iod, serve_client_read, sp,
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PR_FALSE);
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PR_ASSERT(NULL != jobp);
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return;
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}
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DPRINTF(("serve_client: read/write complete, msg(%d) \n", sp->msg_num));
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if (PR_Shutdown(sockfd, PR_SHUTDOWN_BOTH) < 0) {
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fprintf(stderr,"%s: ERROR - PR_Shutdown\n", program_name);
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}
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PR_Close(sockfd);
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PR_EnterMonitor(sp->exit_mon);
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--(*sp->job_counterp);
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PR_Notify(sp->exit_mon);
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PR_ExitMonitor(sp->exit_mon);
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PR_DELETE(sp->in_buf);
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PR_DELETE(sp);
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return;
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}
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/*
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* Serve_Client
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* Thread, started by the server, for serving a client connection.
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* Reads data from socket and writes it back, unmodified, and
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* closes the socket
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*/
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static void PR_CALLBACK
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Serve_Client(void *arg)
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{
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Serve_Client_Param *scp = (Serve_Client_Param *) arg;
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buffer *in_buf;
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Session *sp;
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PRJob *jobp;
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sp = PR_NEW(Session);
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sp->iod = scp->iod;
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in_buf = PR_NEW(buffer);
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if (in_buf == NULL) {
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fprintf(stderr,"%s: failed to alloc buffer struct\n",program_name);
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failed_already=1;
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return;
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}
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sp->in_buf = in_buf;
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sp->bytes = scp->datalen;
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sp->msg_num = 0;
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sp->bytes_read = 0;
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sp->tp = scp->tp;
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sp->exit_mon = scp->exit_mon;
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sp->job_counterp = scp->job_counterp;
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sp->iod.timeout = PR_SecondsToInterval(60);
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jobp = PR_QueueJob_Read(sp->tp, &sp->iod, serve_client_read, sp,
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PR_FALSE);
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PR_ASSERT(NULL != jobp);
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PR_DELETE(scp);
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}
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static void
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print_stats(void *arg)
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{
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Server_Param *sp = (Server_Param *) arg;
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PRThreadPool *tp = sp->tp;
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PRInt32 counter;
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PRJob *jobp;
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PR_EnterMonitor(sp->exit_mon);
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counter = (*sp->job_counterp);
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PR_ExitMonitor(sp->exit_mon);
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printf("PRINT_STATS: #client connections = %d\n",counter);
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jobp = PR_QueueJob_Timer(tp, PR_MillisecondsToInterval(500),
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print_stats, sp, PR_FALSE);
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PR_ASSERT(NULL != jobp);
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}
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static int job_counter = 0;
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/*
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* TCP Server
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* Server binds an address to a socket, starts a client process and
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* listens for incoming connections.
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* Each client connects to the server and sends a chunk of data
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* Starts a Serve_Client job for each incoming connection, to read
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* the data from the client and send it back to the client, unmodified.
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* Each client checks that data received from server is same as the
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* data it sent to the server.
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* Finally, the threadpool is shutdown
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*/
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static void PR_CALLBACK
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TCP_Server(void *arg)
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{
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PRThreadPool *tp = (PRThreadPool *) arg;
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Server_Param *sp;
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PRFileDesc *sockfd;
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PRNetAddr netaddr;
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PRMonitor *sc_mon;
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PRJob *jobp;
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int i;
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PRStatus rval;
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/*
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* Create a tcp socket
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*/
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if ((sockfd = PR_NewTCPSocket()) == NULL) {
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fprintf(stderr,"%s: PR_NewTCPSocket failed\n", program_name);
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return;
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}
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memset(&netaddr, 0 , sizeof(netaddr));
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netaddr.inet.family = PR_AF_INET;
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netaddr.inet.port = PR_htons(TCP_SERVER_PORT);
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netaddr.inet.ip = PR_htonl(PR_INADDR_ANY);
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/*
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* try a few times to bind server's address, if addresses are in
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* use
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*/
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i = 0;
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while (PR_Bind(sockfd, &netaddr) < 0) {
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if (PR_GetError() == PR_ADDRESS_IN_USE_ERROR) {
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netaddr.inet.port += 2;
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if (i++ < SERVER_MAX_BIND_COUNT)
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continue;
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}
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fprintf(stderr,"%s: ERROR - PR_Bind failed\n", program_name);
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perror("PR_Bind");
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failed_already=1;
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return;
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}
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if (PR_Listen(sockfd, 32) < 0) {
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fprintf(stderr,"%s: ERROR - PR_Listen failed\n", program_name);
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failed_already=1;
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return;
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}
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if (PR_GetSockName(sockfd, &netaddr) < 0) {
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fprintf(stderr,"%s: ERROR - PR_GetSockName failed\n", program_name);
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failed_already=1;
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return;
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}
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DPRINTF((
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"TCP_Server: PR_BIND netaddr.inet.ip = 0x%lx, netaddr.inet.port = %d\n",
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netaddr.inet.ip, netaddr.inet.port));
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sp = PR_NEW(Server_Param);
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if (sp == NULL) {
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fprintf(stderr,"%s: PR_NEW failed\n", program_name);
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failed_already=1;
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return;
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}
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sp->iod.socket = sockfd;
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sp->iod.timeout = PR_SecondsToInterval(60);
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sp->datalen = tcp_mesg_size;
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sp->exit_mon = sc_mon;
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sp->job_counterp = &job_counter;
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sp->conn_counter = 0;
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sp->tp = tp;
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sp->netaddr = netaddr;
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/* create and cancel an io job */
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jobp = PR_QueueJob_Accept(tp, &sp->iod, TCP_Server_Accept, sp,
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PR_FALSE);
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PR_ASSERT(NULL != jobp);
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rval = PR_CancelJob(jobp);
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PR_ASSERT(PR_SUCCESS == rval);
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/*
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* create the client process
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*/
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{
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#define MAX_ARGS 4
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char *argv[MAX_ARGS + 1];
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int index = 0;
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char port[32];
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char path[1024 + sizeof("/thrpool_client")];
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(void)getcwd(path, sizeof(path));
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(void)strcat(path, "/thrpool_client");
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#ifdef XP_PC
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(void)strcat(path, ".exe");
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#endif
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argv[index++] = path;
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sprintf(port,"%d",PR_ntohs(netaddr.inet.port));
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if (_debug_on)
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{
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argv[index++] = "-d";
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argv[index++] = "-p";
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argv[index++] = port;
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argv[index++] = NULL;
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} else {
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argv[index++] = "-p";
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argv[index++] = port;
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argv[index++] = NULL;
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}
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PR_ASSERT(MAX_ARGS >= (index - 1));
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DPRINTF(("creating client process %s ...\n", path));
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if (PR_FAILURE == PR_CreateProcessDetached(path, argv, NULL, NULL)) {
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fprintf(stderr,
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"thrpool_server: ERROR - PR_CreateProcessDetached failed\n");
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failed_already=1;
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return;
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}
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}
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sc_mon = PR_NewMonitor();
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if (sc_mon == NULL) {
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fprintf(stderr,"%s: PR_NewMonitor failed\n", program_name);
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failed_already=1;
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return;
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}
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sp->iod.socket = sockfd;
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sp->iod.timeout = PR_SecondsToInterval(60);
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sp->datalen = tcp_mesg_size;
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sp->exit_mon = sc_mon;
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sp->job_counterp = &job_counter;
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sp->conn_counter = 0;
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sp->tp = tp;
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sp->netaddr = netaddr;
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/* create and cancel a timer job */
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jobp = PR_QueueJob_Timer(tp, PR_MillisecondsToInterval(5000),
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print_stats, sp, PR_FALSE);
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PR_ASSERT(NULL != jobp);
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rval = PR_CancelJob(jobp);
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PR_ASSERT(PR_SUCCESS == rval);
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DPRINTF(("TCP_Server: Accepting connections \n"));
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jobp = PR_QueueJob_Accept(tp, &sp->iod, TCP_Server_Accept, sp,
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PR_FALSE);
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PR_ASSERT(NULL != jobp);
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return;
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}
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static void
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TCP_Server_Accept(void *arg)
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{
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Server_Param *sp = (Server_Param *) arg;
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PRThreadPool *tp = sp->tp;
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Serve_Client_Param *scp;
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PRFileDesc *newsockfd;
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PRJob *jobp;
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if ((newsockfd = PR_Accept(sp->iod.socket, &sp->netaddr,
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PR_INTERVAL_NO_TIMEOUT)) == NULL) {
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fprintf(stderr,"%s: ERROR - PR_Accept failed\n", program_name);
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failed_already=1;
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goto exit;
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}
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scp = PR_NEW(Serve_Client_Param);
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if (scp == NULL) {
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fprintf(stderr,"%s: PR_NEW failed\n", program_name);
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failed_already=1;
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goto exit;
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}
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/*
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* Start a Serve_Client job for each incoming connection
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*/
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scp->iod.socket = newsockfd;
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scp->iod.timeout = PR_SecondsToInterval(60);
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scp->datalen = tcp_mesg_size;
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scp->exit_mon = sp->exit_mon;
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scp->job_counterp = sp->job_counterp;
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scp->tp = sp->tp;
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PR_EnterMonitor(sp->exit_mon);
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(*sp->job_counterp)++;
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PR_ExitMonitor(sp->exit_mon);
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jobp = PR_QueueJob(tp, Serve_Client, scp,
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PR_FALSE);
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PR_ASSERT(NULL != jobp);
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DPRINTF(("TCP_Server: Created Serve_Client = 0x%lx\n", jobp));
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/*
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* single-threaded update; no lock needed
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*/
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sp->conn_counter++;
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if (sp->conn_counter <
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(num_tcp_clients * num_tcp_connections_per_client)) {
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jobp = PR_QueueJob_Accept(tp, &sp->iod, TCP_Server_Accept, sp,
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PR_FALSE);
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PR_ASSERT(NULL != jobp);
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return;
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}
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jobp = PR_QueueJob_Timer(tp, PR_MillisecondsToInterval(500),
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print_stats, sp, PR_FALSE);
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PR_ASSERT(NULL != jobp);
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DPRINTF(("TCP_Server: Created print_stats timer job = 0x%lx\n", jobp));
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exit:
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PR_EnterMonitor(sp->exit_mon);
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/* Wait for server jobs to finish */
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while (0 != *sp->job_counterp) {
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PR_Wait(sp->exit_mon, PR_INTERVAL_NO_TIMEOUT);
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DPRINTF(("TCP_Server: conn_counter = %d\n",
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*sp->job_counterp));
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}
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PR_ExitMonitor(sp->exit_mon);
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if (sp->iod.socket) {
|
|
PR_Close(sp->iod.socket);
|
|
}
|
|
PR_DestroyMonitor(sp->exit_mon);
|
|
printf("%30s","TCP_Socket_Client_Server_Test:");
|
|
printf("%2ld Server %2ld Clients %2ld connections_per_client\n",1l,
|
|
num_tcp_clients, num_tcp_connections_per_client);
|
|
printf("%30s %2ld messages_per_connection %4ld bytes_per_message\n",":",
|
|
num_tcp_mesgs_per_connection, tcp_mesg_size);
|
|
|
|
DPRINTF(("%s: calling PR_ShutdownThreadPool\n", program_name));
|
|
PR_ShutdownThreadPool(sp->tp);
|
|
PR_DELETE(sp);
|
|
}
|
|
|
|
/************************************************************************/
|
|
|
|
#define DEFAULT_INITIAL_THREADS 4
|
|
#define DEFAULT_MAX_THREADS 100
|
|
#define DEFAULT_STACKSIZE (512 * 1024)
|
|
|
|
int
|
|
main(int argc, char **argv)
|
|
{
|
|
PRInt32 initial_threads = DEFAULT_INITIAL_THREADS;
|
|
PRInt32 max_threads = DEFAULT_MAX_THREADS;
|
|
PRInt32 stacksize = DEFAULT_STACKSIZE;
|
|
PRThreadPool *tp = NULL;
|
|
PRStatus rv;
|
|
PRJob *jobp;
|
|
|
|
/*
|
|
* -d debug mode
|
|
*/
|
|
PLOptStatus os;
|
|
PLOptState *opt;
|
|
|
|
program_name = argv[0];
|
|
opt = PL_CreateOptState(argc, argv, "d");
|
|
while (PL_OPT_EOL != (os = PL_GetNextOpt(opt)))
|
|
{
|
|
if (PL_OPT_BAD == os) continue;
|
|
switch (opt->option)
|
|
{
|
|
case 'd': /* debug mode */
|
|
_debug_on = 1;
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
PL_DestroyOptState(opt);
|
|
|
|
PR_Init(PR_USER_THREAD, PR_PRIORITY_NORMAL, 0);
|
|
PR_STDIO_INIT();
|
|
|
|
#ifdef XP_MAC
|
|
SetupMacPrintfLog("socket.log");
|
|
#endif
|
|
PR_SetConcurrency(4);
|
|
|
|
tp = PR_CreateThreadPool(initial_threads, max_threads, stacksize);
|
|
if (NULL == tp) {
|
|
printf("PR_CreateThreadPool failed\n");
|
|
failed_already=1;
|
|
goto done;
|
|
}
|
|
jobp = PR_QueueJob(tp, TCP_Server, tp, PR_TRUE);
|
|
rv = PR_JoinJob(jobp);
|
|
PR_ASSERT(PR_SUCCESS == rv);
|
|
|
|
DPRINTF(("%s: calling PR_JoinThreadPool\n", program_name));
|
|
rv = PR_JoinThreadPool(tp);
|
|
PR_ASSERT(PR_SUCCESS == rv);
|
|
DPRINTF(("%s: returning from PR_JoinThreadPool\n", program_name));
|
|
|
|
done:
|
|
PR_Cleanup();
|
|
if (failed_already) return 1;
|
|
else return 0;
|
|
}
|